more Headline grabbing rubbish, probably paid for by the milk industry.

better idea - Cathy Collins, a spokeswoman for the British Dietetic Association, said it might be simpler to target teenage girls and advise them to drink more milk and eat more of other foods rich in iodine, such as seafood.

"I'm not surprised by the findings because teenage girls do not tend to drink a lot of milk or eat a lot of oily fish.